Magnum 261805 Operation Manual - page 25
Troubleshooting
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25
Motor is hot and runs intermittently.
This is NOT a thermal overload condition.
Motor automatically shuts off due to
excessive heat. Damage can occur if
cause is not corrected.
Thermal Overload, page 4.
Vent holes in enclosure are plugged or
sprayer is covered.
Keep vent holes clear of obstructions and
overspray and keep sprayer open to air.
Extension cord is too long or not a heavy
enough gauge.
Replace extension cord. Read Grounding
and Electrical Requirements, page 4.
Unregulated electrical generator being
used has excessive voltage.
Use electrical generator with a proper
voltage regulator. Sprayer requires
120VAC, 60 Hz, 1500-Watt generator.
Sprayer was operated at high pressure
with very small tip which causes frequent
motor starts and excessive heat build up.
Decrease by turning AllControl to lower
pressure setting or increase tip size.
Building circuit breaker opens after
sprayer operates for 5 to 10 minutes.
Too many appliances are plugged in on
same circuit.
Free up circuit (unplug things), or use a
less busy circuit.
Sprayer electrical cord is damaged.
Check broken insulation or wires.
Replace electrical cord if damaged.
Extension cord is damaged or too long or
not a heavy enough gauge.
•
Plug in something that you know is
working to test extension cord.
•
Replace extension cord.
Fan pattern varies dramatically while
spraying.
OR
Sprayer does not turn on promptly when
resuming spraying.
AllControl is worn and causing excessive
pressure variation.
Take sprayer to Graco/M
AGNUM
authorized service center.
Cannot trigger spray gun.
Spray gun trigger lock is locked.
Rotate trigger safety lever to unlock
trigger lock, page 7.
Spray comes out of spray gun in two thick
streams.
Reversible spray tip is in UNCLOG
position.
Rotate arrow-shaped handle on spray tip
so it points forward in SPRAY position,
page 11.
Paint leaks down outside of pump.
Pump packings are worn.
Replace pump packings.
Problem
Cause
Solution